Fluval fx4 in 40gal breeder for 4" flowerhorn?

Swarm11

Feeder Fish
MFK Member
Jan 25, 2016
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Refer to title. Would this create too strong of a current?

The fh is housed by himself. Not much for decorations except a small hiding cave that he likes to go inside. Thx in advance.
 

fishhead0103666

Redtail Catfish
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May 14, 2018
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It’s not exactly what you asked but I have a fx6 on a 75 and the current is good. I believe I could add a 2nd one without negativity affecting the fish.
 
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fishhead0103666

Redtail Catfish
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May 14, 2018
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Severum, angelfish, catfish, a small 3 inch leaf fish, African knife fish, a few others.
 
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